591 search results - page 4 / 119 » Computing fundamental groups from point clouds |
112
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CVPR
2010
IEEE
15 years 3 months ago
2010
IEEE
This paper addresses the problem of recognizing freeform 3D objects in point clouds. Compared to traditional approaches based on point descriptors, which depend on local informati...
DCG
2010
14 years 8 months ago
2010
Fix a finite set of points in Euclidean n-space En , thought of as a point-cloud sampling of a certain domain D En . The VietorisRips complex is a combinatorial simplicial complex...
ECCV
2010
Springer
15 years 3 months ago
2010
Springer
Abstract. Planar patches are a very compact and stable intermediate representation of 3D scenes, as they are a good starting point for a complete automatic reconstruction of surfac...
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SGP
2004
15 years 1 months ago
2004
: We introduce a noise-resistant algorithm for reconstructing a watertight surface from point cloud data. It forms a Delaunay tetrahedralization, then uses a variant of spectral gr...
CAD
2004
Springer
14 years 10 months ago
2004
Springer
This article discusses the reverse engineering problem of reconstructing objects with planar faces. We will present the main geometric features of a modeling system which are the ...